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Trial Number 6

Trial Purpose:

To evaluate three products on fifth oil using ultrasonic cleaning.

Date Run:

08/21/2006

Experiment Procedure:

The three successful products from the first four oil removal trials were evaluated on the fifth oil using ultrasonic energy. The products were diluted to 5% in 600 ml beakers using DI water and heated to 130 F in a Brason 3510 ultrasonic tank filled with water. Products were degassed for 5 minutes.

Nine pre-weighed coupons were coated with the TuffDraw 1730 R using a hand held swab. Coupons were weighed a second time to determine the amount of oil added. Three coupons were cleaned in each solution for five minutes using 40 kHz ultrasonic agitation. Coupons were rinsed for 15 seconds in a tap water bath at 120 F and dried using a Master Appliance Heat gun at 500 F for 30 seconds. Once dry coupons were weighed a final time and product efficiencies were calculated.

Trial Results:

All three products removed over 98% of the oil within five minutes of cleaning with ultrasonic cleaning. The follow table lists the amount of oil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Aquavantage 1400 0.9543 0.0002 99.98
  1.0184 0.0134 98.68
  1.1530 0.0274 97.62
Inproclean 3800 0.7666 0.0029 99.62
  0.8595 0.0014 99.84
  0.9828 0.0004 99.96
Sea Wash Blue 0.8159 0.0060 99.26
  0.8828 0.0005 99.94
  0.7195 0.0261 96.37

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The three products, Aquavantage 1400, Inproclean 3800 and Sea Wash Blue, were found to be successful on the five supplied oils. Next step would be to evaluate these products on actual parts.